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/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License
*/
package com.android.settings.biometrics;
import static com.android.settings.Utils.SETTINGS_PACKAGE_NAME;
import android.annotation.Nullable;
import android.annotation.SuppressLint;
import android.content.Intent;
import android.content.res.ColorStateList;
import android.graphics.Color;
import android.os.Bundle;
import android.os.UserHandle;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.TextView;
import androidx.annotation.ColorInt;
import com.android.settings.R;
import com.android.settings.SetupWizardUtils;
import com.android.settings.Utils;
import com.android.settings.biometrics.fingerprint.FingerprintEnrollEnrolling;
import com.android.settings.core.InstrumentedActivity;
import com.android.settings.overlay.FeatureFactory;
import com.android.settings.password.ChooseLockSettingsHelper;
import com.android.systemui.unfold.compat.ScreenSizeFoldProvider;
import com.android.systemui.unfold.updates.FoldProvider;
import com.google.android.setupcompat.template.FooterBarMixin;
import com.google.android.setupcompat.template.FooterButton;
import com.google.android.setupcompat.util.WizardManagerHelper;
import com.google.android.setupdesign.GlifLayout;
import com.google.android.setupdesign.util.ThemeHelper;
/**
* Base activity for all biometric enrollment steps.
*/
public abstract class BiometricEnrollBase extends InstrumentedActivity {
private static final String TAG = "BiometricEnrollBase";
public static final String EXTRA_FROM_SETTINGS_SUMMARY = "from_settings_summary";
public static final String EXTRA_KEY_LAUNCHED_CONFIRM = "launched_confirm_lock";
public static final String EXTRA_KEY_REQUIRE_VISION = "accessibility_vision";
public static final String EXTRA_KEY_REQUIRE_DIVERSITY = "accessibility_diversity";
public static final String EXTRA_KEY_SENSOR_ID = "sensor_id";
public static final String EXTRA_KEY_CHALLENGE = "challenge";
public static final String EXTRA_KEY_MODALITY = "sensor_modality";
public static final String EXTRA_KEY_NEXT_LAUNCHED = "next_launched";
public static final String EXTRA_FINISHED_ENROLL_FACE = "finished_enrolling_face";
public static final String EXTRA_FINISHED_ENROLL_FINGERPRINT = "finished_enrolling_fingerprint";
public static final String EXTRA_LAUNCHED_POSTURE_GUIDANCE = "launched_posture_guidance";
/**
* Used by the choose fingerprint wizard to indicate the wizard is
* finished, and each activity in the wizard should finish.
* <p>
* Previously, each activity in the wizard would finish itself after
* starting the next activity. However, this leads to broken 'Back'
* behavior. So, now an activity does not finish itself until it gets this
* result.
*
* This must be the same as
* {@link com.android.settings.password.ChooseLockPattern#RESULT_FINISHED}
*/
public static final int RESULT_FINISHED = RESULT_FIRST_USER;
/**
* Used by the enrolling screen during setup wizard to skip over setting up fingerprint, which
* will be useful if the user accidentally entered this flow.
*/
public static final int RESULT_SKIP = RESULT_FIRST_USER + 1;
/**
* Like {@link #RESULT_FINISHED} except this one indicates enrollment failed because the
* device was left idle. This is used to clear the credential token to require the user to
* re-enter their pin/pattern/password before continuing.
*/
public static final int RESULT_TIMEOUT = RESULT_FIRST_USER + 2;
/**
* Used by consent screens to indicate that consent was granted. Extras, such as
* EXTRA_KEY_MODALITY, will be included in the result to provide details about the
* consent that was granted.
*/
public static final int RESULT_CONSENT_GRANTED = RESULT_FIRST_USER + 3;
/**
* Used by consent screens to indicate that consent was denied. Extras, such as
* EXTRA_KEY_MODALITY, will be included in the result to provide details about the
* consent that was not granted.
*/
public static final int RESULT_CONSENT_DENIED = RESULT_FIRST_USER + 4;
public static final int CHOOSE_LOCK_GENERIC_REQUEST = 1;
public static final int BIOMETRIC_FIND_SENSOR_REQUEST = 2;
public static final int LEARN_MORE_REQUEST = 3;
public static final int CONFIRM_REQUEST = 4;
public static final int ENROLL_REQUEST = 5;
/**
* Request code when starting another biometric enrollment from within a biometric flow. For
* example, when starting fingerprint enroll after face enroll.
*/
public static final int ENROLL_NEXT_BIOMETRIC_REQUEST = 6;
public static final int REQUEST_POSTURE_GUIDANCE = 7;
protected boolean mLaunchedConfirmLock;
protected boolean mLaunchedPostureGuidance;
protected boolean mNextLaunched;
protected byte[] mToken;
protected int mUserId;
protected int mSensorId;
@BiometricUtils.DevicePostureInt
protected int mDevicePostureState;
protected long mChallenge;
protected boolean mFromSettingsSummary;
protected FooterBarMixin mFooterBarMixin;
@Nullable
protected ScreenSizeFoldProvider mScreenSizeFoldProvider;
@Nullable
protected Intent mPostureGuidanceIntent = null;
@Nullable
protected FoldProvider.FoldCallback mFoldCallback = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setTheme(SetupWizardUtils.getTheme(this, getIntent()));
ThemeHelper.trySetDynamicColor(this);
mChallenge = getIntent().getLongExtra(EXTRA_KEY_CHALLENGE, -1L);
mSensorId = getIntent().getIntExtra(EXTRA_KEY_SENSOR_ID, -1);
// Don't need to retrieve the HAT if it already exists. In some cases, the extras do not
// contain EXTRA_KEY_CHALLENGE_TOKEN but contain EXTRA_KEY_GK_PW, in which case enrollment
// classes may request a HAT to be created (as opposed to being passed in)
if (mToken == null) {
mToken = getIntent().getByteArrayExtra(
ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN);
}
mFromSettingsSummary = getIntent().getBooleanExtra(EXTRA_FROM_SETTINGS_SUMMARY, false);
if (savedInstanceState != null) {
if (mToken == null) {
mLaunchedConfirmLock = savedInstanceState.getBoolean(EXTRA_KEY_LAUNCHED_CONFIRM);
mToken = savedInstanceState.getByteArray(
ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN);
mFromSettingsSummary =
savedInstanceState.getBoolean(EXTRA_FROM_SETTINGS_SUMMARY, false);
mChallenge = savedInstanceState.getLong(EXTRA_KEY_CHALLENGE);
mSensorId = savedInstanceState.getInt(EXTRA_KEY_SENSOR_ID);
}
mLaunchedPostureGuidance = savedInstanceState.getBoolean(
EXTRA_LAUNCHED_POSTURE_GUIDANCE);
mNextLaunched = savedInstanceState.getBoolean(EXTRA_KEY_NEXT_LAUNCHED);
}
mUserId = getIntent().getIntExtra(Intent.EXTRA_USER_ID, UserHandle.myUserId());
mPostureGuidanceIntent = FeatureFactory.getFactory(getApplicationContext())
.getFaceFeatureProvider().getPostureGuidanceIntent(getApplicationContext());
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putBoolean(EXTRA_KEY_LAUNCHED_CONFIRM, mLaunchedConfirmLock);
outState.putByteArray(ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN, mToken);
outState.putBoolean(EXTRA_FROM_SETTINGS_SUMMARY, mFromSettingsSummary);
outState.putLong(EXTRA_KEY_CHALLENGE, mChallenge);
outState.putInt(EXTRA_KEY_SENSOR_ID, mSensorId);
outState.putBoolean(EXTRA_LAUNCHED_POSTURE_GUIDANCE, mLaunchedPostureGuidance);
outState.putBoolean(EXTRA_KEY_NEXT_LAUNCHED, mNextLaunched);
}
@Override
protected void onPostCreate(@Nullable Bundle savedInstanceState) {
super.onPostCreate(savedInstanceState);
initViews();
@SuppressLint("VisibleForTests")
final LinearLayout buttonContainer = mFooterBarMixin != null
? mFooterBarMixin.getButtonContainer()
: null;
if (buttonContainer != null) {
buttonContainer.setBackgroundColor(getBackgroundColor());
}
}
@Override
public void onAttachedToWindow() {
super.onAttachedToWindow();
getWindow().setStatusBarColor(getBackgroundColor());
}
@Override
protected void onStop() {
super.onStop();
if (mScreenSizeFoldProvider != null && mFoldCallback != null) {
mScreenSizeFoldProvider.unregisterCallback(mFoldCallback);
}
mScreenSizeFoldProvider = null;
mFoldCallback = null;
if (!isChangingConfigurations() && shouldFinishWhenBackgrounded()
&& !BiometricUtils.isAnyMultiBiometricFlow(this)) {
setResult(RESULT_TIMEOUT);
finish();
}
}
protected boolean launchPostureGuidance() {
if (mPostureGuidanceIntent == null || mLaunchedPostureGuidance) {
return false;
}
BiometricUtils.copyMultiBiometricExtras(getIntent(), mPostureGuidanceIntent);
startActivityForResult(mPostureGuidanceIntent, REQUEST_POSTURE_GUIDANCE);
mLaunchedPostureGuidance = true;
overridePendingTransition(0 /* no enter anim */, 0 /* no exit anim */);
return mLaunchedPostureGuidance;
}
protected boolean shouldFinishWhenBackgrounded() {
return !WizardManagerHelper.isAnySetupWizard(getIntent());
}
protected void initViews() {
getWindow().setStatusBarColor(Color.TRANSPARENT);
}
protected GlifLayout getLayout() {
return (GlifLayout) findViewById(R.id.setup_wizard_layout);
}
protected void setHeaderText(int resId, boolean force) {
TextView layoutTitle = getLayout().getHeaderTextView();
CharSequence previousTitle = layoutTitle.getText();
CharSequence title = getText(resId);
if (previousTitle != title || force) {
if (!TextUtils.isEmpty(previousTitle)) {
layoutTitle.setAccessibilityLiveRegion(View.ACCESSIBILITY_LIVE_REGION_POLITE);
}
getLayout().setHeaderText(title);
getLayout().getHeaderTextView().setContentDescription(title);
setTitle(title);
}
}
protected void setHeaderText(int resId) {
setHeaderText(resId, false /* force */);
getLayout().getHeaderTextView().setContentDescription(getText(resId));
}
protected void setHeaderText(CharSequence title) {
getLayout().setHeaderText(title);
getLayout().getHeaderTextView().setContentDescription(title);
}
protected void setDescriptionText(int resId) {
CharSequence previousDescription = getLayout().getDescriptionText();
CharSequence description = getString(resId);
// Prevent a11y for re-reading the same string
if (!TextUtils.equals(previousDescription, description)) {
getLayout().setDescriptionText(resId);
}
}
protected void setDescriptionText(CharSequence descriptionText) {
getLayout().setDescriptionText(descriptionText);
}
protected FooterButton getNextButton() {
if (mFooterBarMixin != null) {
return mFooterBarMixin.getPrimaryButton();
}
return null;
}
protected void onNextButtonClick(View view) {
}
protected Intent getFingerprintEnrollingIntent() {
Intent intent = new Intent();
intent.setClassName(SETTINGS_PACKAGE_NAME, FingerprintEnrollEnrolling.class.getName());
intent.putExtra(ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN, mToken);
intent.putExtra(EXTRA_FROM_SETTINGS_SUMMARY, mFromSettingsSummary);
intent.putExtra(EXTRA_KEY_CHALLENGE, mChallenge);
intent.putExtra(EXTRA_KEY_SENSOR_ID, mSensorId);
BiometricUtils.copyMultiBiometricExtras(getIntent(), intent);
if (mUserId != UserHandle.USER_NULL) {
intent.putExtra(Intent.EXTRA_USER_ID, mUserId);
}
return intent;
}
protected void launchConfirmLock(int titleResId) {
Log.d(TAG, "launchConfirmLock");
final ChooseLockSettingsHelper.Builder builder = new ChooseLockSettingsHelper.Builder(this);
builder.setRequestCode(CONFIRM_REQUEST)
.setTitle(getString(titleResId))
.setRequestGatekeeperPasswordHandle(true)
.setForegroundOnly(true)
.setReturnCredentials(true);
if (mUserId != UserHandle.USER_NULL) {
builder.setUserId(mUserId);
}
final boolean launched = builder.show();
if (!launched) {
// This shouldn't happen, as we should only end up at this step if a lock thingy is
// already set.
finish();
} else {
mLaunchedConfirmLock = true;
}
}
@ColorInt
private int getBackgroundColor() {
final ColorStateList stateList = Utils.getColorAttr(this, android.R.attr.windowBackground);
return stateList != null ? stateList.getDefaultColor() : Color.TRANSPARENT;
}
}